Created
August 15, 2017 14:43
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Convert from GeoJSON geometry.coordinates property to WKT (Polygons)
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| val geometryToWKT = udf((a: Seq[Seq[Seq[Double]]]) => "POLYGON ((" + a.head.map(x => x.head + " " + x.last).mkString(", ") + "))") |
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